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• Which pole of a compass needle points to a south pole of a magnet?
  
• What is a motor pathway primarily concerned with volitional control of body parts called?
  
• When the Hoover Dame was completed and the reservoir behind it filled with water, did the moment of inertia of the Earth increase, decrease, or stay the same?
  
• Object displays from 5 metre height reaches at a ground distance of 10 metre what is the final velocity?
  
• A boat pushes off from a pontoon and travels 5m/s East while the pontoon floats away at 2m/s south. Calculate the velocity of the boat relative to the pontoon????? .
  
• A kit is 100 ft high. There are 260 ft of string out and it is being let out at a rate of 5 ft/sec. If this results in the kite being carried along horizontally, what is the horizontal speed of the kite?
  
• On a surface I have two point charges Qa and Qb, 1C and 4C respectivly and are placed at A(-3,0) B(3,0). Find all the points (locus) (except those that are too far away) where V=0.?
  
• A force of 63N acting upon a given object results in an acceleration of 9 m/s^2. If the magnitude of the force acting upon the same object is changed to 28 N, what will the object's acceleration become?
  
• If a steel cable holding a cable car has stress xkpa. If four more cables are attached to the car,what is the stress on each cable?1) x/4. 2)x/5 3)x/3
  
• A block weighing `9 kg` is on a plane with an incline of `(7pi)/12` and friction coefficient of `1/3`. How much force, if any, is necessary to keep the block from sliding down?
  
• How can we draw magnetic field lines?
  
• If one neutron is added to Helium nucleus, the result is? a) Lithium b) Helium c) Hydrogen d) Carbon
  
• How Can Bonding And Antibonding Electron Can Be Identified In 2p Orbital?
  
• A force `vecF = (3xy -5z)hatj + 4zhatk` is applied on a particle. The work done by the force when the particle moves from point `(0,0,0)` to point `(2,4,0)` along the path `y = x^2` is?
  
• Question #3394d
  
• Question #4aba8
  
• How many moles are in `4.5 xx 10^24` molecules of sodium fluoride, NaF?
  
• Question #89cf1
  
• What is the critical value of μs?
  
• Question #f83a8
  
• Question #87f21
  
• Can someone verify my answer?
  
• Question #a089e
  
• An object is thrown with half of the kinetic energy needed to free an object from the attraction of the earth. How far will the object reach from the earth's surface?
  
• Question #8cc77
  
• Question #c2c8e
  
• Can you tell me an example where you can use both Newton's laws and energy conservation to solve the problem and the priorities of each method?
  
• A boy is sat at a semisphere with a ray of 18.4 m. He starts sliding. On what height will the boy loose contact with the sphere? There is no friction.
  
• Help me please ??
  
• Question #6826a
  
• What is the frequency of the body at the centre of the earth?
  
• Why the amplitude is small in forced vibration?
  
• What happens when a transverse wave is reflected from the boundary of denser medium?of crest strike with medium ,it return as A)crest b)trough c)compression d)rarefaction e)not
  
• What is the form of energy acquired from food?
  
• After 2 seconds of flight,the velocity of a projectile is (12i-4j)m/s,Find its speed and elevation at moment of projection?
  
• Question #7fdf8
  
• Question #bf0b1
  
• Question #39ff1
  
• How can i derive newton's law of cooling?
  
• What is the mechanical advantage of a ramp that is 9 m long and 3 m high?
  
• Physics help question3?
  
• On a force versus elongation graph, what is represented by the point where the slope of the best-fit line intercepts the x-axis?
  
• Question #b82c6
  
• The total uncertainty in the average value of many measurements can be calculated as?
  
• How to resolve power of an object on inclined planes?
  
• Question #fae13
  
• How potential energy is equal to -dU/dx ?
  
• 5 cells each of EMF E and resistance r each are connected in series. If one cell is connected wrongly then potential difference across this cell will be?
  
• Question #1425d
  
• When the velocity of a relativistic charged particle increases, its specific charge?
  
• Question #d02ff
  
• Question #8284d
  
• Objects A and B are at the origin. If object A moves to `(3 ,7 )` and object B moves to `(1 ,-4 )` over `3 s`, what is the relative velocity of object B from the perspective of object A? Assume that all units are denominated in meters.
  
• Question #7bc46
  
• Which of the following is the image of the number in the mirror?
  
• Question #30c7b
  
• Question #e3d6f
  
• Help! I'm not good in circuits! Can you please explain the answer to me?
  
• If there is a nonzero net force acting on an object, what is happening to the motion of that object?
  
• Question #ba2ab
  
• Question #fadc0
  
• Consider sun as black body, then predict the temperature at Sun by assuming wavelength maximum at 500nm?
  
• Threshold wavelength for photo-electric emission of a metallic surface is 3800Armstrong.A beam of light of wavelength 2600armstrong is incident on the surface.what will be the work function of the metal?
  
• The rate of rotation of a solid disk with a radius of `2 m` and mass of `2 kg` constantly changes from `5 Hz` to `9 Hz`. If the change in rotational frequency occurs over `4 s`, what torque was applied to the disk?
  
• It is said that at higher temperatures an object radiates red color the most. So does an object that is red in color is supposed to have a higher temperature?
  
• Question #71967
  
• Is there material that heat moves through in only one direction?
  
• Question #1d2c0
  
• What is the net interaction force between two opposite charges in a uniform electric field, when (1) the dipole is aligned along the electric field direction, and (2) when it is not?
  
• Question #d61af
  
• If a `2 kg` object is constantly accelerated from `0m/s` to `16 m/s` over 6 s, how much power musy be applied at `t=3`?
  
• Question #ddcfa
  
• How can you calculate solar luminosity of the Sun using Earth's solar constant?
  
• Two smaller spherical raindrops collide and merge into one larger spherical raindrop. What is the radius and surface energy of this larger drop, compared to the two smaller ones?
  
• Question #c3829
  
• Question #f6eef
  
• Question #8df7c
  
• Hi there! I would like someone to check this for me and complete the answer. Thanks!?!
  
• An ideal gas system undergoes an adiabatic process in which it expands and does 20 J of work on its environment. How much energy is transferred to the system as heat?
  
• An object travels North at `6 m/s` for `5 s` and then travels South at `7 m/s` for `5 s`. What are the object's average speed and velocity?
  
• An astronaut moves on a circular orbit around the earth.what is the average speed for a whole revolution?
  
• Why pair production and annihilation cannot occur in free space?
  
• Calculate the height from the Earth's surface that a satellite must attain in order to be in geosynchronous orbit and the satellite's velocity?
  
• Question #0c378
  
• What does the slope of an force vs. displacement time represent?
  
• Question #84f65
  
• Question #ca63a
  
• Question #7cd1e
  
• Question #69513
  
• Question #1fce2
  
• Question #eb843
  
• What is the reference angle when theta is -1.8? and Why?
  
• If an electron is placed in an electric field with a potential difference of (1.35x10^2) V, the maximum speed the electron can attain is?
  
• Question #88df0
  
• Question #43ce0
  
• Can you explain in detail why the answer is D ?
  
• Question #c79bd
  
• How much work does it take to pump the oil to the rim of the tank if the conical tank from `y=2x` is filled to within 2 feet of the top of the olive oil weighing `57(lb)/(ft)^3`?
  
• How do you find the critical numbers of `y = cos x - sin x`?
  
• What is the antiderivative of `x(sinx)^2`?
  
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